Re: [gentoo-user] wpa_supplicant connect-disconnect loop

[Mick]

On Saturday 11 December 2010 20:26:54 Valmor de Almeida wrote:
> Hello,
>
> The output of
>
>   wpa_supplicant -Dwext -c/etc/wpa_supplicant/wpa_supplicant.conf
> -iwlan0 -d dhcpcd
>
> on my laptop shows continuous output to screen which appears to be
> looping on association and disassociation to my wireless router (I am
> not posting this long list here). The corresponding effect is this
>
> -> ping yahoo.com
> PING yahoo.com (72.30.2.43) 56(84) bytes of data.
> 64 bytes from ir1.fp.vip.sk1.yahoo.com (72.30.2.43): icmp_req=1 ttl=47
> time=88.2 ms
> 64 bytes from ir1.fp.vip.sk1.yahoo.com (72.30.2.43): icmp_req=2 ttl=47
> time=88.6 ms
> 64 bytes from ir1.fp.vip.sk1.yahoo.com (72.30.2.43): icmp_req=3 ttl=47
> time=91.1 ms
> ping: sendmsg: Network is unreachable
> ping: sendmsg: Network is unreachable
> ping: sendmsg: Network is unreachable
> ping: sendmsg: Network is unreachable
> [snip]
> ping: sendmsg: Network is unreachable
> ping: sendmsg: Network is unreachable
> ping: sendmsg: Network is unreachable
> 64 bytes from ir1.fp.vip.sk1.yahoo.com (72.30.2.43): icmp_req=21 ttl=47
> time=94.8 ms
> 64 bytes from ir1.fp.vip.sk1.yahoo.com (72.30.2.43): icmp_req=22 ttl=47
> time=90.7 ms
> 64 bytes from ir1.fp.vip.sk1.yahoo.com (72.30.2.43): icmp_req=23 ttl=47
> time=87.6 ms
> 64 bytes from ir1.fp.vip.sk1.yahoo.com (72.30.2.43): icmp_req=24 ttl=47
> time=89.5 ms
> ping: sendmsg: Network is unreachable
> ping: sendmsg: Network is unreachable
> ping: sendmsg: Network is unreachable
> ping: sendmsg: Network is unreachable
> ping: sendmsg: Network is unreachable
> ping: sendmsg: Network is unreachable
> ping: sendmsg: Network is unreachable
> ping: sendmsg: Network is unreachable
> ^C
> --- yahoo.com ping statistics ---
> 32 packets transmitted, 7 received, 78% packet loss, time 31009ms
> rtt min/avg/max/mdev = 87.615/90.125/94.813/2.283 ms
>
> I have never setup wireless networking and have been reading the web and
> other information on how to use wpa_supplicant to connect to my home
> router. I would appreciate help on this. I emerged wpa_supplicant with
> the following USE flags:
>
> -> equery uses wpa_supplicant
> [ Searching for packages matching wpa_supplicant... ]
> [ Colour Code : set unset ]
> [ Legend : Left column  (U) - USE flags from make.conf              ]
> [        : Right column (I) - USE flags packages was installed with ]
> [ Found these USE variables for net-wireless/wpa_supplicant-0.7.2-r3 ]
>  U I
>  - - dbus           : Enable dbus support for anything that needs it
> (gpsd, gnomemeeting, etc)
>  - - debug          : Enable extra debug codepaths, like asserts and
> extra output. If you want to get meaningful backtraces see
> http://www.gentoo.org/proj/en/qa/backtraces.xml
>  - - eap-sim        : Add support for EAP-SIM authentication algorithm
>  - - fasteap        : Add support for FAST-EAP authentication algorithm
>  - - gnutls         : Adds support for net-libs/gnutls (TLS 1.0 and SSL
> 3.0 support)
>  - - kernel_FreeBSD : KERNEL setting for system using the FreeBSD kernel
>  + + kernel_linux   : KERNEL setting for system using the Linux kernel
>  - - madwifi        : Add support for madwifi (Atheros chipset)
>  - - ps3            : Add support for ps3 hypervisor driven gelic wifi
>  - - qt4            : Adds support for the Qt GUI/Application Toolkit
> version 4.x
>  + + readline       : Enables support for libreadline, a GNU
> line-editing library that almost everyone wants
>  + + ssl            : Adds support for Secure Socket Layer connections
>  - - wps            : Add support for Wi-Fi Protected Setup
>
> There were a number of steps to get to where I am now and I would be
> glad to post additional information if required.

You could try changing channels (if there is a clash with other local APs) but 
it's most likely that the dropouts you notice are due to the wireless driver.  
Waiting for developers to catch up or using later drivers/firmware usually 
fixes this problem.
-- 
Regards,
Mick